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| author | Tim Northover <tnorthover@apple.com> | 2013-08-18 18:06:03 +0000 |
|---|---|---|
| committer | Tim Northover <tnorthover@apple.com> | 2013-08-18 18:06:03 +0000 |
| commit | 55349a29c6fd26912da27cbda6f17e3cf89addac (patch) | |
| tree | 540a8098dfded9ca316f785259e6693e8413096f /llvm/lib/Target/ARM/ARMISelDAGToDAG.cpp | |
| parent | 25b2085490aaf5370b4d18e5d91ccd55f21bf110 (diff) | |
| download | bcm5719-llvm-55349a29c6fd26912da27cbda6f17e3cf89addac.tar.gz bcm5719-llvm-55349a29c6fd26912da27cbda6f17e3cf89addac.zip | |
ARM: make sure we keep inline asm operands tied.
When patching inlineasm nodes to use GPRPair for 64-bit values, we
were dropping the information that two operands were tied, which
effectively broke the live-interval of vregs affected.
llvm-svn: 188643
Diffstat (limited to 'llvm/lib/Target/ARM/ARMISelDAGToDAG.cpp')
| -rw-r--r-- | llvm/lib/Target/ARM/ARMISelDAGToDAG.cpp | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/llvm/lib/Target/ARM/ARMISelDAGToDAG.cpp b/llvm/lib/Target/ARM/ARMISelDAGToDAG.cpp index 4ca3af6b3ea..3298b73dad2 100644 --- a/llvm/lib/Target/ARM/ARMISelDAGToDAG.cpp +++ b/llvm/lib/Target/ARM/ARMISelDAGToDAG.cpp @@ -3614,7 +3614,10 @@ SDNode *ARMDAGToDAGISel::SelectInlineAsm(SDNode *N){ if(PairedReg.getNode()) { OpChanged[OpChanged.size() -1 ] = true; Flag = InlineAsm::getFlagWord(Kind, 1 /* RegNum*/); - Flag = InlineAsm::getFlagWordForRegClass(Flag, ARM::GPRPairRegClassID); + if (IsTiedToChangedOp) + Flag = InlineAsm::getFlagWordForMatchingOp(Flag, DefIdx); + else + Flag = InlineAsm::getFlagWordForRegClass(Flag, ARM::GPRPairRegClassID); // Replace the current flag. AsmNodeOperands[AsmNodeOperands.size() -1] = CurDAG->getTargetConstant( Flag, MVT::i32); |
